²⁵¹Lr — Unstable · t½ ≈ 25.0 s · Decay: α → ²⁴⁷Md · Type: synthetic · Uses: research.
²⁵²Lr — Unstable · t½ ≈ 27.0 s · Decay: α → ²⁴⁸Md · Type: synthetic · Uses: research.
²⁵³Lr — Unstable · t½ ≈ 0.33 s · Decay: α → ²⁴⁹Md · Type: synthetic · Uses: research.
²⁵⁴Lr — Unstable · t½ ≈ 0.5 s · Decay: α → ²⁵⁰Md · Type: synthetic · Uses: research.
²⁵⁵Lr — Unstable · t½ ≈ 22.0 s · Decay: α → ²⁵¹Md · Type: synthetic · Uses: research.
²⁵⁶Lr — Unstable · t½ ≈ 27.0 s · Decay: α → ²⁵²Md · Type: synthetic · Uses: research.
²⁵⁷Lr — Unstable · t½ ≈ 0.6 s · Decay: α → ²⁵³Md · Type: synthetic · Uses: research.
²⁵⁸Lr — Unstable · t½ ≈ 4.0 s · Decay: α → ²⁵⁴Md · Type: synthetic · Uses: research.
²⁵⁹Lr — Unstable · t½ ≈ 6.0 s · Decay: α → ²⁵⁵Md · Type: synthetic · Uses: research.
²⁶⁰Lr — Unstable · t½ ≈ 2.7 min · Decay: α → ²⁵⁶Md · Type: synthetic · Uses: research.
²⁶¹Lr — Unstable · t½ ≈ 44.0 s · Decay: α → ²⁵⁷Md · Type: synthetic · Uses: research.
²⁶²Lr — Unstable · t½ ≈ 3.6 h · Decay: α → ²⁵⁸Md · Type: synthetic · Uses: research.
²⁶³Lr — Unstable · t½ ≈ 10.0 min · Decay: α → ²⁵⁹Md · Type: synthetic · Uses: research.
²⁶⁴Lr — Unstable · t½ ≈ 260 ms · Decay: α → ²⁶⁰Md · Type: synthetic · Uses: research.
²⁶⁵Lr — Unstable · t½ ≈ 26.9 s · Decay: α → ²⁶¹Md · Type: synthetic · Uses: research.
²⁶⁶Lr — Unstable · t½ ≈ 11.0 h · Decay: α → ²⁶²Md · Type: synthetic · Uses: longest-lived Lr isotope; structure research.
Lawrencium — isotope count: 16 total · Stable: none · Unstable: 16.
(Data: IAEA LiveChart, NUBASE2020, ENSDF, Wikipedia “Isotopes of lawrencium.” Notable applications: all isotopes used exclusively in nuclear structure and superheavy research; ²⁶⁶Lr notable for its longer half-life enabling more detailed studies.)